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memos/plugin/webhook/webhook.go

91 lines
2.6 KiB
Go

package webhook
import (
"bytes"
"encoding/json"
"io"
"log/slog"
"net/http"
"time"
"github.com/pkg/errors"
v1pb "github.com/usememos/memos/proto/gen/api/v1"
)
var (
// timeout is the timeout for webhook request. Default to 30 seconds.
timeout = 30 * time.Second
)
type WebhookRequestPayload struct {
// The target URL for the webhook request.
URL string `json:"url"`
// The type of activity that triggered this webhook.
ActivityType string `json:"activityType"`
// The resource name of the creator. Format: users/{user}
Creator string `json:"creator"`
// The memo that triggered this webhook (if applicable).
Memo *v1pb.Memo `json:"memo"`
}
// Post posts the message to webhook endpoint.
func Post(requestPayload *WebhookRequestPayload) error {
body, err := json.Marshal(requestPayload)
if err != nil {
return errors.Wrapf(err, "failed to marshal webhook request to %s", requestPayload.URL)
}
req, err := http.NewRequest("POST", requestPayload.URL, bytes.NewBuffer(body))
if err != nil {
return errors.Wrapf(err, "failed to construct webhook request to %s", requestPayload.URL)
}
req.Header.Set("Content-Type", "application/json")
client := &http.Client{
Timeout: timeout,
}
resp, err := client.Do(req)
if err != nil {
return errors.Wrapf(err, "failed to post webhook to %s", requestPayload.URL)
}
b, err := io.ReadAll(resp.Body)
if err != nil {
return errors.Wrapf(err, "failed to read webhook response from %s", requestPayload.URL)
}
defer resp.Body.Close()
if resp.StatusCode < 200 || resp.StatusCode > 299 {
return errors.Errorf("failed to post webhook %s, status code: %d, response body: %s", requestPayload.URL, resp.StatusCode, b)
}
response := &struct {
Code int `json:"code"`
Message string `json:"message"`
}{}
if err := json.Unmarshal(b, response); err != nil {
return errors.Wrapf(err, "failed to unmarshal webhook response from %s", requestPayload.URL)
}
if response.Code != 0 {
return errors.Errorf("receive error code sent by webhook server, code %d, msg: %s", response.Code, response.Message)
}
return nil
}
// PostAsync posts the message to webhook endpoint asynchronously.
// It spawns a new goroutine to handle the request and does not wait for the response.
func PostAsync(requestPayload *WebhookRequestPayload) {
go func() {
if err := Post(requestPayload); err != nil {
// Since we're in a goroutine, we can only log the error
slog.Warn("Failed to dispatch webhook asynchronously",
slog.String("url", requestPayload.URL),
slog.String("activityType", requestPayload.ActivityType),
slog.Any("err", err))
}
}()
}